Vaevictis Asmadi, the Dire

Flying
Whenever Vaevictis Asmadi, the Dire attacks, for each player, choose target permanent that player controls. Those players sacrifice those permanents. Each player who sacrificed a permanent this way reveals the top card of their library, then puts it onto the battlefield if it's a permanent card.

Thunderscape Master

{B}{B}, {T}: Target player loses 2 life and you gain 2 life.
{G}{G}, {T}: Creatures you control get +2/+2 until end of turn.

Thunderscape Apprentice

{B}, {T}: Target player loses 1 life.
{G}, {T}: Target creature gets +1/+1 until end of turn.

Thunderscape Battlemage

Kicker {1}{B} and/or {G} (You may pay an additional {1}{B} and/or {G} as you cast this spell.)
When Thunderscape Battlemage enters, if it was kicked with its {1}{B} kicker, target player discards two cards.
When Thunderscape Battlemage enters, if it was kicked with its {G} kicker, destroy target enchantment.

Thunderscape Familiar

First strike
Black spells and green spells you cast cost {1} less to cast.

Stonebrow, Krosan Hero

Trample
Whenever a creature you control with trample attacks, it gets +2/+2 until end of turn.